FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Solid Explorer - Solid Explorer is a powerful Android file manager featuring access to most popular cloud storages, root access and easy extensibility.
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
MiXplorer - MiXplorer is a mobile app that was designed to make it easy to organize and manage the files on your Android device.
BirdFont - Birdfont is a free font editor which lets you create vector graphics and export TTF, OTF, EOT and...
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.